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Photosynthesis and Respiration — Chapter Summary

ICSE · Class 7 · Biology

Summary of Photosynthesis and Respiration for ICSE Class 7 Biology. Part of the ICSE Class 7 Biology syllabus.

43 questions36 flashcards6 formulas & key relations5 concepts

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An infographic or comparison chart highlighting the key differences between aerobic and anaerobic respiration, including oxygen requirement, location, products, and ATP yield.
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Overview

Green plants prepare their own food by photosynthesis and release energy from food by respiration. Photosynthesis uses sunlight, chlorophyll, water, and carbon dioxide to make glucose and oxygen. Respiration breaks down glucose to release energy for life processes. In plants, photosynthesis happens

Key Concepts

Photosynthesis is the process by

Photosynthesis is the process by which green plants capture solar energy and use it to convert carbon dioxide and water into simple sugars. It needs w

Chloroplasts are plastids found in mesophyll

Chloroplasts are plastids found in mesophyll cells of the leaf and are the site of photosynthesis. Chlorophyll is the green pigment in chloroplasts th

Stomata are tiny openings mainly on

Stomata are tiny openings mainly on the lower surface of leaves. They open into air cavities and allow carbon dioxide to enter and oxygen to leave. Ea

Xylem carries water and minerals upward

Xylem carries water and minerals upward from roots to leaves. Phloem carries glucose made in leaves to other parts of the plant in the form of sucrose

The most important factors are carbon

The most important factors are carbon dioxide, light, and suitable temperature. These factors are interdependent, so each one limits the others. Tempe

Learning Objectives

  • Understand the meaning of photosynthesis and respiration
  • Identify the raw materials and products of photosynthesis
  • Describe the role of chlorophyll, chloroplasts, stomata, guard cells, xylem, and phloem
  • Explain the factors that affect photosynthesis
  • Describe how plants store and transport food

Frequently Asked Questions

What are the important topics in Photosynthesis and Respiration for ICSE Class 7 Biology?
Key topics in Photosynthesis and Respiration include Photosynthesis, Factors Affecting Photosynthesis, Experiments Showing Photosynthesis, Respiration. Study these first, then practise questions on each for Class 7 exams.
How should I revise Photosynthesis and Respiration for Class 7 exams?
Learn the core ideas first, then work through the 43 practice questions on Photosynthesis and Respiration. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Photosynthesis and Respiration

All ICSE Class 7 Biology Chapter Summary

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